Q8 of 24 Page 31

Draw the distance – time graph when its speed decreases uniformly.


Slope of Distance-time graph denotes speed and change in slope of the graph is acceleration. So it must be constant and negative for this graph as speed is decreasing.


More from this chapter

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6

Distance vs time graphs showing motion of two cars A and B are given. Which car moves fast? See figure 25.

 7

Draw the distance vs time graph when the speed of a body increases uniformly.

 9

A car travels at a velocity of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car.

 10

A car covers half the distance at a speed of 50 km/h and the other half at 40km/h. Find the average speed of the car.